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Westamerica Bancorp
WABC

204 hedge funds and large institutions have $967M invested in Westamerica Bancorp in 2026 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 69 increasing their positions, 82 reducing their positions, and 27 closing their positions.

New
Increased
Maintained
Reduced
Closed

19,720% more call options, than puts

Call options by funds: $991K | Put options by funds: $5K

2% more capital invested

Capital invested by funds: $948M → $967M (+$18.6M)

2.86% less ownership

Funds ownership: 79.52% → 76.67% (-2.9%)

6% less funds holding

Funds holding: 216 → 204 (-12)

16% less repeat investments, than reductions

Existing positions increased: 69 | Existing positions reduced: 82

22% less first-time investments, than exits

New positions opened: 21 | Existing positions closed: 27

Holders
204
Holders Change
-12
Holders Change %
-5.56%
% of All Funds
2.51%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
21
Increased
69
Reduced
82
Closed
27
Calls
$991K
Puts
$5K
Net Calls
+$986K
Net Calls Change
+$986K

Top Buyers

1
Two Sigma Investments
Two Sigma Investments
New York
+$8.49M
2
HF
HRT Financial
New York
+$4.24M
3
Franklin Resources
Franklin Resources
California
+$3.76M
4
American Century Companies
American Century Companies
Missouri
+$3.66M
5
Renaissance Technologies
Renaissance Technologies
New York
+$2.89M

Top Sellers

1
UBS Group
UBS Group
Switzerland
-$15.1M
2
Millennium Management
Millennium Management
New York
-$14.4M
3
MIM
MetLife Investment Management
New Jersey
-$11M
4
Citadel Advisors
Citadel Advisors
Florida
-$4.35M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$2.9M
Name Holding Trade Value Shares
Change 		Change in
Stake
Invesco
26
Invesco
Georgia
$6.9M +$942K +18,572 +16%
First Trust Advisors
27
First Trust Advisors
Illinois
$6.83M +$2.59M +51,148 +64%
New York State Common Retirement Fund
28
New York State Common Retirement Fund
New York
$6.75M – – –
Citadel Advisors
29
Citadel Advisors
Florida
$6.5M -$4.35M -85,818 -41%
JAM
30
Jupiter Asset Management
United Kingdom
$5.1M -$1.46M -28,854 -23%
HF
31
HRT Financial
New York
$4.94M +$4.24M +83,648 +758%
Public Sector Pension Investment Board (PSP Investments)
32
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$4.59M +$91.3K +1,801 +2%
Bank of America
33
Bank of America
North Carolina
$4.5M +$1.42M +28,009 +48%
Franklin Resources
34
Franklin Resources
California
$4.44M +$3.76M +74,038 +669%
Raymond James Financial
35
Raymond James Financial
Florida
$4.24M +$77.2K +1,522 +2%
Man Group
36
Man Group
United Kingdom
$4.21M +$2.25M +44,364 +122%
RhumbLine Advisers
37
RhumbLine Advisers
Massachusetts
$4.04M -$558 -11 -0%
Jane Street
38
Jane Street
New York
$3.62M +$134K +2,634 +4%
IC
39
IEQ Capital
California
$3.17M +$64.2K +1,265 +2%
MCM
40
Maltese Capital Management
New York
$3.11M -$429K -8,460 -12%
Legal & General Group
41
Legal & General Group
United Kingdom
$3.02M -$293K -5,783 -9%
Millennium Management
42
Millennium Management
New York
$2.93M -$14.4M -283,808 -83%
Ameriprise
43
Ameriprise
Minnesota
$2.61M -$222K -4,375 -8%
Swiss National Bank
44
Swiss National Bank
Switzerland
$2.45M -$45.6K -900 -2%
WG
45
Winton Group
United Kingdom
$2.43M +$11.7K +230 +0.5%
SG Americas Securities
46
SG Americas Securities
New York
$2.36M +$643K +12,672 +39%
Jacobs Levy Equity Management
47
Jacobs Levy Equity Management
New Jersey
$2.31M +$261K +5,154 +13%
UBS AM
48
UBS AM
Illinois
$2.27M +$39.3K +775 +2%
RA
49
Royce & Associates
New York
$2.24M – – –
BNP Paribas Financial Markets
50
BNP Paribas Financial Markets
France
$2.09M +$838K +16,519 +70%
1
2
3 4 5

WABC Hedge Fund Activity: Q1 2026 in Review

204 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Westamerica Bancorp (WABC) for Q1 2026, worth a combined $967M — up 2% from $948M a quarter earlier.

Sellers outnumbered buyers: 27 funds closed out of WABC and 21 opened new positions — a net loss of 6 holders — while 82 trimmed existing stakes and 69 added.

The largest buyer was Two Sigma Investments, adding an estimated $8.49M. The largest seller was UBS Group, cutting an estimated $15.1M.

  • 204 institutional investors held Westamerica Bancorp (WABC) as of Q1 2026, down from 216 in Q4 2025.
  • Funds reported $967M of Westamerica Bancorp stock for Q1 2026, up 2% quarter-over-quarter.
  • 21 funds opened new Westamerica Bancorp positions in Q1 2026 and 27 closed out, a net change of -6 holders.
  • The largest Westamerica Bancorp buyer in Q1 2026 was Two Sigma Investments, an estimated $8.49M added.
  • The largest Westamerica Bancorp seller in Q1 2026 was UBS Group, an estimated $15.1M sold.

Based on aggregated 13F filings for Q1 2026.